ActionScript 3.0 :: Flash Getting A Reference To A Class In A Swf
Oct 22, 2010
Well I've been searching the web and knocking my head against the wall long enough to justify an inquiry.
Anybody know an elegant way to get a usable reference to a class in a loaded swf?
I find that this approach, from Big Spaceship, produces an error, when compiler is forced to try to convert type "Ball" to type "MovieClip." Sheesh.
Code:
var loader:Loader = new Loader();
var nuSquare:MovieClip;
var nuBall:MovieClip;
[Code].....
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Jul 28, 2011
Using Flash CS5 Professional I have created a symbol, dragged it onto the stage, and given it an instance name of GreenLight1. If I want to make this visible from the document class, I can simply do the GreenLight1.visible=true; and poof it's good to go when I test the file. As long as I stay in the document class I am good to go, but now I'm trying to move to another class and hitting ALL kinds of trouble just trying to get Flash to allow me to access this simple object. All I am looking to do is have this GreenLight1 go invisible (visible=false) when a certain condition occurs in this new class and Flash just won't let me access GreenLight1 at all. Things I've tried thus far:
stage is passed to the class and is referenced by _stage and is working just fine when I do _stage.addchild or anything like that. So I have tried "_stage.GreenLight1.visible=false;" and I get "ReferenceError: Error #1069: Property GreenLight1 not found on flash.display.Stage and there is no default value." My document class extends Sprite, so I figured I'd try the root function. So I tried "Sprite(root).GreenLight1.visible=false;" and I get "1119: Access of possibly undefined property GreenLight1 through a reference with static type flash.display:Sprite." I tried to create the Resource class as described therein. To which I came across the same problem that I started with in that it doesn't know what GreenLight1 is to begin with so I got "1120: Access of undefined property GreenLight1." Here is my code for Resource.as (am I supposed to pass something to this class from the document class?)
[Code]...
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Jul 21, 2011
I am doing a looping background with 2 identical BG movieClip (B1 and B2). Those 2 are "new" by the same class.
var B1:MovieClip = new BG();
var B2:MovieClip = new BG();
But because this BG class picture is loader from the internet and the picture is rather big. When I addressed its loading by using progressEvent. The picture is really loaded 2 times. Is there anyway I create B2 based on B1 without using new BG() again? Since it definitely makes a new BG with Loader code inside.
[Code]....
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Mar 23, 2010
I am trying to run a function of the main class, but even with casting it does not work. I get this error
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at rpflash.communication::RPXMLReader/updateplaylist()
at rpflash.communication::RPXMLReader/dataHandler()
[Code].....
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Dec 21, 2010
I made this class and I put it in the same package of Timeline.as (the Document Class):
package {
import flash.utils.Timer;
import flash.events.TimerEvent;
public class Counter2 extends Timer {
public function Counter2(delay:Number, repeatCount:int=0) {
[Code]...
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Jan 17, 2011
I'm using Flash Professional cs5/AS3 I'll try and describe this the best I can. I'm new to ActionScript. So, in my timeline I have a var on a frame that represents "lives" and i have some code in the timeline that takes down the number of lives depending on certain events, which all works great.
so, now i wanted to make a constructor class that I could reuse for a bunch of movie clip objects and I only want these objects to be able to move if the lives variable is greater than certain number. So now, building my constructor class for these objects i just wanted put an if statement that is looking to see if the lives are greater than a certain number, which if it is then should make these objects do what i want...But, when i run the project I get "1120: Access of undefined property lives."
lives is the var I made obviously like I said, and it works fine being referenced everyone else except when I make a new .as file for these objects then try and reference it. I get the same error when I try and establish "lives" in the main project class too. I'm not sure where I should put this var or how I can make it so i can reference it from an object class. I'm not really sure how to word or describe my issue which has made it hard to search for a tutorial.
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Jan 18, 2011
How can I test if a class reference implements an interface? Note that the is and instanceof operators do not work with Class references.
Example:
public function set someClassref(value:Class):void
{
if(value is IMyInterface)[code]........
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Nov 17, 2011
I'm unable to load forces.swf (assume I can't edit it, as I don't have the source code) through an external swf, due to Stage reference in the base class how would I go about loading it (and any other possible SWF) without errors being thrown?
Here is a link to the problem I am trying to fix:[URL]..
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May 2, 2011
I have been busy building the UI for a class file I wrote a while ago.
The problem I have is in referencing the symbols on the TimeLine. All the symbols have an instance name, and only exist in the first frame (main timeline has only one frame anyway).
At the moment I am instantiating my AS3 class file from a timeline layer using[code]...
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Nov 13, 2011
I'm working with Flash Builder 4.5 on an Actionscript project. I've created the following classes:
package
{
public class ComplexNumber
{
[Code]....
but the code inside this loop generates the following run time error: "ReferenceError: Error #1056: Cannot create property 0 on ComplexArray." Thus, my code for "BXFN_complex[ii] = ~" is incorrect. Anyone know how to achieve what I'm trying to do? Basically, ComplexDivide.v1p0 returns two numbers, and BXFN_complex is an object containing two number arrays, and I want to assign the ComplexDivide two numbers into the ii'th element of arrays in BXFN_complex.
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Dec 7, 2009
Is there a way I can reference a Movie clip I have on the main stage from a custom class of a document class?[code]
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Mar 28, 2011
I'm having a problem with this menu tutorial I followed from ASGamer. I have done and used most, if not all of the tutorials from that site.Anyway my problem is their base menu class;
package com.game.scripts.menu
{
import flash.display.MovieClip;
[code].....
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Dec 8, 2009
Is there a way to refer to a Movieclip on the stage from a class file of the document class
Lets say I have 3 MovieClips on the stage(a Circle, a Square and a Triangle)
I have the document class which calls another class that controls the MC on the stage
Example
ActionScript Code:
package {
public class Example extends Sprite {
//Create the instance of the class being called
[Code]....
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Jun 28, 2010
Given that both of these calls to getQualifiedClassName return the same thing (mx:Label), how would one go about programatically differentiating between an instance of a class and a reference to the class...
var lab1:Label=new Label();
var lab2:Class=Label;
var qcn1:String=getQualifiedClassName(lab1);
var qcn2:String=getQualifiedClassName(lab2);
In other words, how could I know that lab1 is of type Label, while lab2 is type "Class". typeof() simply returns "object" for both... getQualifiedClassName returns "mx.controls::Label" for both...
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May 12, 2009
I was thinking about how to streamline my code the other day and looked through my classes checking for possible memory leaks. I wonder when are variables declared inside of methods clear for garbage collection? or are they not and just hang around? For instance if I have a class like this:
[Code]...
Since the variable was declared without reference into the class how long does it stay in Flash's memory, or does it stay indefinitely because it cannot be nullified?
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Jan 7, 2011
[Code]...
But the same error keeps showing up, related to the var t1 and var t2 lines: Access of possible undefined property text through a reference with static type class What should I do? I already tried removing the String indication, trade : by =,
[Code]...
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Jan 8, 2012
The question is a bit silly. I am trying to implement a skill updating system. So to explain.There is a class
class AppInfo
{
public static var power:int = 10;
[code]......
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Mar 15, 2006
I want to retrieve the var reference of an instance of a class from within the class. For example:
ActionScript Code:
var ref:MyClass = new MyClass ();
//then via some method, I would like to get the var ref inside the class
ref.getRef(); //returns "ref" instead of [object Object]
[Code]....
You may ask why, well I want to do some spring cleaning inside this manager class I am making. Of course the above is a simplistic version of what I am trying to do.
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Jan 7, 2005
how can I self refer to an instance of a class within the class definition file?Here is an example
PHP Code:
public function fireBullet(target:MovieClip) {
Bullet_mc = target.attachMovie("Bullet", "Bullet1", 1);
}
}
Now everytime I want to call the function I have to put this as my target, (fireBullet(this))I cannot just put it in the code as it gives me an error.
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Mar 30, 2011
I see where i was going wrong however when i change the instance name like you said i 1120: Access of undefined property snakePart. all of this code btw is at document class level and the movieclips are in the library not on stage
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Jul 7, 2011
My code is an external .as file. Google provides this code on their demo, which contains the this keyword:
[Code]...
Notice that I have 4 calls to console.log. The first 3 fire, but after the new GATracker statement, the 4th does not fire. I have a feeling that I'm overriding the entire package with the object created from new GATracker when I should be passing a different context. I believe the correct context I should pass is whatever this defaults to when not inside of a package/external file, I assume it references the main stage object.
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May 7, 2011
I have a FLA (say Main.FLA) document class with a child MovieClip on the stage: into the child MovieClip I load other swf files: each of the files contains its own Document Class (every swf is a somewhat independent application, say quizzes and so on).For some reason I must use the Main document class to store data (scores or so) from the child swfs loaded into the Main swf. HOW do I reference the Main class? I can't find a way.[code]and dispatch an Event this way from the loaded swf document class to the Main class:[code]Now, first of all I don't know if this could even work. Secondly, I tried to make it work by adding an event listener to my Main class but id did not work.
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Apr 8, 2011
Does anyone know how to extract a class reference from an SWC file? I know I can right click / "Go to definition", and view the class definition. I need to extract these for each class in an SWC. Can anyone provide a method to do so automatically?
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Feb 20, 2009
Is it possible to have a reference to a class instead of an object? [code]so that you can then use static vars of those Classes? from the var b?
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May 25, 2010
I'm trying to get a small popup (a volume bar) to work from within a class.I made a piece of actionscript code that creates an empty movieClip and draws the bar into it and made it onto a class. The only thing I now have to do to add the bar to a programm, is create an instance of that class. Nothing needs to be added to the stage.The problem I encounter is that I need the bar to stay on top. New movieclips always get higher depths (using getNextHighestDepth()), so that's a problem.Calling swapDepths() for every new movieclip is far too complex and afaik there is no such thing as "bring to front" in actionscript, it only exists at design time, not at runtime.
So I though I'd use 2 layers/movieclips in the timeline, one for the volume bar and one for the rest, and add an empty movieclip to both.This way I know that all children I add to one movieclip will alway lay below anything I add to the second movieclip. (or is there an easier way to accomplish what I need? Levels maybe? I've never looked into levels, I only know they exist when loading a clip)This means I need to add a some extra stuff to the stage at design time, but if this fixes the issue.. ah well.But how can I access that movieclip from within a class? The reference "_root.volumeBarPlaceholder" works from within the main actionscript, but not from within a class because I get the compiler error "There is no property with the name '_root.volumeBarPlaceholder'";
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Sep 13, 2010
How do I reference the stage from a class? I need to add eventlisteners to the stage for mouse movement. I also need to add custom cursors. I always get an error when I try to reference stage. anything. Or event if I do this:
[Code]...
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Oct 15, 2010
I can't figure out how to create a reference to a class so I don't have to keep typing the class.staticvar.item
So usually I have this: DocClass.build_class.firstFunction();
I would rather in my sub class just be able to say; private var build_class:Class = Class(getDefinitionByName("DocClass.build_class"));
so throughout the sub class I only have to type the reference, build_class...
What am I doing wrong?
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Dec 20, 2011
I have a dynamic textfield on my stage that I was to change from with a class method. I have tried all permutations of "parent", "stage" and "root" to try to access this item but none are working.
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Feb 3, 2011
I have a class consisting of a nested array called twoDArray.
public class TestArray
{
public function TestArray() {
var twoDArray:Array = new Array(new Array("one","two"), new Array("three", "four"));
}
[Code]...
I thought I would be able to reference OrbArray for example using trace(OrbArray[0][0]); giving me the output I am looking for of "one". When I attempt this I get ReferenceError: Error #1069: Property 0 not found on com.orbclasses.TestArray and there is no default value.
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Feb 11, 2009
How do we create a class file and use it in seperate flash file
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